Active ANC :Pure ANC working time 6.5 H.wireless version : wireless 4.2+CSR chip, CSR chip provides strongest bluetooth and audio technology.secure comfort fit Soft rubber finish and secure hooks(TPU+PC).Longer Listening With our Bluetooth headset, running & workouts can go for longer to the beat! The polymer 80mAh battery in the Bluetooth headphones wireless device provides 5 hours of talk & playing time & 200 hours of standby time. Much more than other sports headphones!So Easy to Use The volume, sound, song selection and telephone controls are all right on the wireless Bluetooth earbuds, making these the most convenient Bluetooth earbuds for running, sports, lifting weights & more! For All Bluetooth Devices Including iPhone 8/X, iPad, iPod & android phone.